diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2008-09-11 16:05:15 +0100 |
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committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-09-11 16:05:15 +0100 |
commit | 0397b2bb41b0f337af2949a15bcd7d0e7e8a7dc1 (patch) | |
tree | 732c93d74ed806942a13bf15575a61aa4f001253 /src/gallium/auxiliary/draw/draw_pipe_vbuf.c | |
parent | 80af50b35b5a4e8890e15b28940576f8a1ac1476 (diff) | |
parent | e6887a5752774c18cf527477fdd3e57e4893ff3b (diff) |
Merge branch 'gallium-0.1' into gallium-0.2
A first attempt at moving gallium onto a branch directly off master...
It will be interesting to see how much work this takes to get running.
Have resolved the conflicts semi-arbitarily, not compiled or tested.
Conflicts:
.gitignore
Makefile
configs/config.mgw
configs/darwin
configs/darwin-x86ppc
configs/default
configs/freebsd-dri
configs/linux-dri
configs/linux-dri-xcb
configs/linux-fbdev
configs/linux-static
configs/linux-x86-64-static
configs/linux-x86-static
doxygen/Makefile
include/GL/gl.h
progs/demos/Makefile
progs/demos/descrip.mms
progs/demos/texenv.c
progs/egl/.gitignore
progs/egl/Makefile
progs/glsl/.gitignore
progs/glsl/Makefile
progs/glsl/convolutions.c
progs/samples/Makefile.mgw
progs/tests/.gitignore
progs/trivial/.gitignore
progs/trivial/point-param.c
progs/trivial/tri.c
progs/xdemos/.gitignore
progs/xdemos/glthreads.c
src/egl/drivers/demo/Makefile
src/egl/drivers/dri/Makefile
src/egl/main/Makefile
src/glu/Makefile
src/glu/sgi/Makefile
src/glu/sgi/Makefile.mgw
src/glut/glx/Makefile.mgw
src/glut/os2/WarpWin.cpp
src/glut/os2/glut_cindex.cpp
src/glut/os2/glut_gamemode.cpp
src/glut/os2/glut_win.cpp
src/glut/os2/glut_winmisc.cpp
src/glut/os2/os2_glx.cpp
src/glut/os2/os2_menu.cpp
src/glut/os2/os2_winproc.cpp
src/glw/Makefile
src/glx/x11/dri_glx.c
src/glx/x11/glxext.c
src/mesa/Makefile
src/mesa/Makefile.mgw
src/mesa/descrip.mms
src/mesa/drivers/beos/Makefile
src/mesa/drivers/common/descrip.mms
src/mesa/drivers/common/driverfuncs.c
src/mesa/drivers/directfb/Makefile
src/mesa/drivers/dri/Makefile.template
src/mesa/drivers/dri/common/dri_bufmgr.c
src/mesa/drivers/dri/common/dri_bufmgr.h
src/mesa/drivers/dri/common/dri_util.c
src/mesa/drivers/dri/common/extension_helper.h
src/mesa/drivers/dri/common/mmio.h
src/mesa/drivers/dri/common/utils.c
src/mesa/drivers/dri/common/utils.h
src/mesa/drivers/dri/glcore/Makefile
src/mesa/drivers/dri/i810/i810screen.c
src/mesa/drivers/dri/i915/intel_ioctl.c
src/mesa/drivers/dri/i915/intel_ioctl.h
src/mesa/drivers/dri/i915/intel_screen.c
src/mesa/drivers/dri/i915/server/i830_common.h
src/mesa/drivers/dri/i915/server/i830_dri.h
src/mesa/drivers/dri/i965/intel_screen.c
src/mesa/drivers/dri/i965/server/i830_common.h
src/mesa/drivers/dri/i965/server/i830_dri.h
src/mesa/drivers/dri/mach64/mach64_screen.c
src/mesa/drivers/dri/nouveau/nouveau_context.h
src/mesa/drivers/dri/nouveau/nouveau_fifo.c
src/mesa/drivers/dri/nouveau/nouveau_fifo.h
src/mesa/drivers/dri/nouveau/nouveau_screen.c
src/mesa/drivers/dri/nouveau/nouveau_screen.h
src/mesa/drivers/dri/r128/r128_tex.h
src/mesa/drivers/dri/savage/savageioctl.h
src/mesa/drivers/fbdev/Makefile
src/mesa/drivers/osmesa/Makefile
src/mesa/drivers/osmesa/descrip.mms
src/mesa/drivers/x11/Makefile
src/mesa/drivers/x11/descrip.mms
src/mesa/drivers/x11/xm_dd.c
src/mesa/glapi/glapi.c
src/mesa/glapi/glthread.c
src/mesa/main/api_validate.c
src/mesa/main/attrib.c
src/mesa/main/bufferobj.c
src/mesa/main/bufferobj.h
src/mesa/main/buffers.c
src/mesa/main/config.h
src/mesa/main/context.c
src/mesa/main/descrip.mms
src/mesa/main/drawpix.c
src/mesa/main/enums.c
src/mesa/main/fbobject.c
src/mesa/main/glheader.h
src/mesa/main/imports.c
src/mesa/main/mipmap.c
src/mesa/main/mm.c
src/mesa/main/mm.h
src/mesa/main/mtypes.h
src/mesa/main/points.c
src/mesa/main/sources
src/mesa/main/state.c
src/mesa/main/texcompress_fxt1.c
src/mesa/main/texenvprogram.c
src/mesa/main/texobj.c
src/mesa/main/texstate.c
src/mesa/main/texstore.c
src/mesa/math/descrip.mms
src/mesa/shader/arbprogram.c
src/mesa/shader/descrip.mms
src/mesa/shader/prog_execute.c
src/mesa/shader/prog_statevars.c
src/mesa/shader/prog_statevars.h
src/mesa/shader/prog_uniform.c
src/mesa/shader/program.c
src/mesa/shader/program.h
src/mesa/shader/shader_api.c
src/mesa/shader/slang/descrip.mms
src/mesa/shader/slang/library/slang_vertex_builtin_gc.h
src/mesa/sources
src/mesa/swrast/descrip.mms
src/mesa/swrast/s_drawpix.c
src/mesa/swrast/s_fragprog.c
src/mesa/swrast/s_readpix.c
src/mesa/swrast/s_span.c
src/mesa/swrast_setup/descrip.mms
src/mesa/tnl/descrip.mms
src/mesa/tnl/t_context.h
src/mesa/tnl/t_vp_build.c
src/mesa/tnl/tnl.h
src/mesa/vbo/descrip.mms
src/mesa/vbo/vbo_context.c
src/mesa/vbo/vbo_exec_array.c
src/mesa/x86-64/xform4.S
src/mesa/x86/rtasm/x86sse.c
src/mesa/x86/rtasm/x86sse.h
windows/VC6/progs/glut/glut.dsp
windows/VC7/mesa/gdi/gdi.vcproj
windows/VC7/mesa/glu/glu.vcproj
windows/VC7/mesa/mesa.sln
windows/VC7/mesa/mesa/mesa.vcproj
windows/VC7/mesa/osmesa/osmesa.vcproj
windows/VC7/progs/glut/glut.vcproj
windows/VC8/mesa/gdi/gdi.vcproj
windows/VC8/mesa/glu/glu.vcproj
windows/VC8/mesa/mesa.sln
windows/VC8/mesa/mesa/mesa.vcproj
windows/VC8/progs/glut/glut.vcproj
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_pipe_vbuf.c')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_pipe_vbuf.c | 494 |
1 files changed, 494 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pipe_vbuf.c b/src/gallium/auxiliary/draw/draw_pipe_vbuf.c new file mode 100644 index 0000000000..c0cf4269db --- /dev/null +++ b/src/gallium/auxiliary/draw/draw_pipe_vbuf.c @@ -0,0 +1,494 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * \file + * Vertex buffer drawing stage. + * + * \author José Fonseca <jrfonsec@tungstengraphics.com> + * \author Keith Whitwell <keith@tungstengraphics.com> + */ + + +#include "pipe/p_debug.h" +#include "util/u_math.h" +#include "util/u_memory.h" + +#include "draw_vbuf.h" +#include "draw_private.h" +#include "draw_vertex.h" +#include "draw_pipe.h" +#include "translate/translate.h" +#include "translate/translate_cache.h" + + +/** + * Vertex buffer emit stage. + */ +struct vbuf_stage { + struct draw_stage stage; /**< This must be first (base class) */ + + struct vbuf_render *render; + + const struct vertex_info *vinfo; + + /** Vertex size in bytes */ + unsigned vertex_size; + + struct translate *translate; + + /* FIXME: we have no guarantee that 'unsigned' is 32bit */ + + /** Vertices in hardware format */ + unsigned *vertices; + unsigned *vertex_ptr; + unsigned max_vertices; + unsigned nr_vertices; + + /** Indices */ + ushort *indices; + unsigned max_indices; + unsigned nr_indices; + + /* Cache point size somewhere it's address won't change: + */ + float point_size; + + struct translate_cache *cache; +}; + + +/** + * Basically a cast wrapper. + */ +static INLINE struct vbuf_stage * +vbuf_stage( struct draw_stage *stage ) +{ + assert(stage); + return (struct vbuf_stage *)stage; +} + + +static void vbuf_flush_indices( struct vbuf_stage *vbuf ); +static void vbuf_flush_vertices( struct vbuf_stage *vbuf ); +static void vbuf_alloc_vertices( struct vbuf_stage *vbuf ); + + +static INLINE boolean +overflow( void *map, void *ptr, unsigned bytes, unsigned bufsz ) +{ + unsigned long used = (unsigned long) ((char *)ptr - (char *)map); + return (used + bytes) > bufsz; +} + + +static INLINE void +check_space( struct vbuf_stage *vbuf, unsigned nr ) +{ + if (vbuf->nr_vertices + nr > vbuf->max_vertices ) { + vbuf_flush_vertices(vbuf); + vbuf_alloc_vertices(vbuf); + } + + if (vbuf->nr_indices + nr > vbuf->max_indices ) + vbuf_flush_indices(vbuf); +} + + + + +/** + * Extract the needed fields from post-transformed vertex and emit + * a hardware(driver) vertex. + * Recall that the vertices are constructed by the 'draw' module and + * have a couple of slots at the beginning (1-dword header, 4-dword + * clip pos) that we ignore here. We only use the vertex->data[] fields. + */ +static INLINE ushort +emit_vertex( struct vbuf_stage *vbuf, + struct vertex_header *vertex ) +{ + if(vertex->vertex_id == UNDEFINED_VERTEX_ID) { + /* Hmm - vertices are emitted one at a time - better make sure + * set_buffer is efficient. Consider a special one-shot mode for + * translate. + */ + /* Note: we really do want data[0] here, not data[pos]: + */ + vbuf->translate->set_buffer(vbuf->translate, 0, vertex->data[0], 0); + vbuf->translate->run(vbuf->translate, 0, 1, vbuf->vertex_ptr); + + if (0) draw_dump_emitted_vertex(vbuf->vinfo, (uint8_t *)vbuf->vertex_ptr); + + vbuf->vertex_ptr += vbuf->vertex_size/4; + vertex->vertex_id = vbuf->nr_vertices++; + } + + return (ushort)vertex->vertex_id; +} + + +static void +vbuf_tri( struct draw_stage *stage, + struct prim_header *prim ) +{ + struct vbuf_stage *vbuf = vbuf_stage( stage ); + unsigned i; + + check_space( vbuf, 3 ); + + for (i = 0; i < 3; i++) { + vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[i] ); + } +} + + +static void +vbuf_line( struct draw_stage *stage, + struct prim_header *prim ) +{ + struct vbuf_stage *vbuf = vbuf_stage( stage ); + unsigned i; + + check_space( vbuf, 2 ); + + for (i = 0; i < 2; i++) { + vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[i] ); + } +} + + +static void +vbuf_point( struct draw_stage *stage, + struct prim_header *prim ) +{ + struct vbuf_stage *vbuf = vbuf_stage( stage ); + + check_space( vbuf, 1 ); + + vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[0] ); +} + + + + +/** + * Set the prim type for subsequent vertices. + * This may result in a new vertex size. The existing vbuffer (if any) + * will be flushed if needed and a new one allocated. + */ +static void +vbuf_set_prim( struct vbuf_stage *vbuf, uint prim ) +{ + struct translate_key hw_key; + unsigned dst_offset; + unsigned i; + + vbuf->render->set_primitive(vbuf->render, prim); + + /* Must do this after set_primitive() above: + * + * XXX: need some state managment to track when this needs to be + * recalculated. The driver should tell us whether there was a + * state change. + */ + vbuf->vinfo = vbuf->render->get_vertex_info(vbuf->render); + + if (vbuf->vertex_size != vbuf->vinfo->size * sizeof(float)) { + vbuf_flush_vertices(vbuf); + vbuf->vertex_size = vbuf->vinfo->size * sizeof(float); + } + + /* Translate from pipeline vertices to hw vertices. + */ + dst_offset = 0; + + for (i = 0; i < vbuf->vinfo->num_attribs; i++) { + unsigned emit_sz = 0; + unsigned src_buffer = 0; + unsigned output_format; + unsigned src_offset = (vbuf->vinfo->src_index[i] * 4 * sizeof(float) ); + + switch (vbuf->vinfo->emit[i]) { + case EMIT_4F: + output_format = PIPE_FORMAT_R32G32B32A32_FLOAT; + emit_sz = 4 * sizeof(float); + break; + case EMIT_3F: + output_format = PIPE_FORMAT_R32G32B32_FLOAT; + emit_sz = 3 * sizeof(float); + break; + case EMIT_2F: + output_format = PIPE_FORMAT_R32G32_FLOAT; + emit_sz = 2 * sizeof(float); + break; + case EMIT_1F: + output_format = PIPE_FORMAT_R32_FLOAT; + emit_sz = 1 * sizeof(float); + break; + case EMIT_1F_PSIZE: + output_format = PIPE_FORMAT_R32_FLOAT; + emit_sz = 1 * sizeof(float); + src_buffer = 1; + src_offset = 0; + break; + case EMIT_4UB: + output_format = PIPE_FORMAT_B8G8R8A8_UNORM; + emit_sz = 4 * sizeof(ubyte); + break; + default: + assert(0); + output_format = PIPE_FORMAT_NONE; + emit_sz = 0; + break; + } + + hw_key.element[i].input_format = PIPE_FORMAT_R32G32B32A32_FLOAT; + hw_key.element[i].input_buffer = src_buffer; + hw_key.element[i].input_offset = src_offset; + hw_key.element[i].output_format = output_format; + hw_key.element[i].output_offset = dst_offset; + + dst_offset += emit_sz; + } + + hw_key.nr_elements = vbuf->vinfo->num_attribs; + hw_key.output_stride = vbuf->vinfo->size * 4; + + /* Don't bother with caching at this stage: + */ + if (!vbuf->translate || + translate_key_compare(&vbuf->translate->key, &hw_key) != 0) + { + translate_key_sanitize(&hw_key); + vbuf->translate = translate_cache_find(vbuf->cache, &hw_key); + + vbuf->translate->set_buffer(vbuf->translate, 1, &vbuf->point_size, 0); + } + + vbuf->point_size = vbuf->stage.draw->rasterizer->point_size; + + /* Allocate new buffer? + */ + if (!vbuf->vertices) + vbuf_alloc_vertices(vbuf); +} + + +static void +vbuf_first_tri( struct draw_stage *stage, + struct prim_header *prim ) +{ + struct vbuf_stage *vbuf = vbuf_stage( stage ); + + vbuf_flush_indices( vbuf ); + stage->tri = vbuf_tri; + vbuf_set_prim(vbuf, PIPE_PRIM_TRIANGLES); + stage->tri( stage, prim ); +} + + +static void +vbuf_first_line( struct draw_stage *stage, + struct prim_header *prim ) +{ + struct vbuf_stage *vbuf = vbuf_stage( stage ); + + vbuf_flush_indices( vbuf ); + stage->line = vbuf_line; + vbuf_set_prim(vbuf, PIPE_PRIM_LINES); + stage->line( stage, prim ); +} + + +static void +vbuf_first_point( struct draw_stage *stage, + struct prim_header *prim ) +{ + struct vbuf_stage *vbuf = vbuf_stage( stage ); + + vbuf_flush_indices( vbuf ); + stage->point = vbuf_point; + vbuf_set_prim(vbuf, PIPE_PRIM_POINTS); + stage->point( stage, prim ); +} + + +static void +vbuf_flush_indices( struct vbuf_stage *vbuf ) +{ + if(!vbuf->nr_indices) + return; + + assert((uint) (vbuf->vertex_ptr - vbuf->vertices) == + vbuf->nr_vertices * vbuf->vertex_size / sizeof(unsigned)); + + vbuf->render->draw(vbuf->render, vbuf->indices, vbuf->nr_indices); + + vbuf->nr_indices = 0; +} + + +/** + * Flush existing vertex buffer and allocate a new one. + * + * XXX: We separate flush-on-index-full and flush-on-vb-full, but may + * raise issues uploading vertices if the hardware wants to flush when + * we flush. + */ +static void +vbuf_flush_vertices( struct vbuf_stage *vbuf ) +{ + if(vbuf->vertices) { + vbuf_flush_indices(vbuf); + + /* Reset temporary vertices ids */ + if(vbuf->nr_vertices) + draw_reset_vertex_ids( vbuf->stage.draw ); + + /* Free the vertex buffer */ + vbuf->render->release_vertices(vbuf->render, + vbuf->vertices, + vbuf->vertex_size, + vbuf->nr_vertices); + vbuf->max_vertices = vbuf->nr_vertices = 0; + vbuf->vertex_ptr = vbuf->vertices = NULL; + + } +} + + +static void +vbuf_alloc_vertices( struct vbuf_stage *vbuf ) +{ + assert(!vbuf->nr_indices); + assert(!vbuf->vertices); + + /* Allocate a new vertex buffer */ + vbuf->max_vertices = vbuf->render->max_vertex_buffer_bytes / vbuf->vertex_size; + + /* even number */ + vbuf->max_vertices = vbuf->max_vertices & ~1; + + /* Must always succeed -- driver gives us a + * 'max_vertex_buffer_bytes' which it guarantees it can allocate, + * and it will flush itself if necessary to do so. If this does + * fail, we are basically without usable hardware. + */ + vbuf->vertices = (uint *) vbuf->render->allocate_vertices(vbuf->render, + (ushort) vbuf->vertex_size, + (ushort) vbuf->max_vertices); + vbuf->vertex_ptr = vbuf->vertices; +} + + + +static void +vbuf_flush( struct draw_stage *stage, unsigned flags ) +{ + struct vbuf_stage *vbuf = vbuf_stage( stage ); + + vbuf_flush_indices( vbuf ); + + stage->point = vbuf_first_point; + stage->line = vbuf_first_line; + stage->tri = vbuf_first_tri; + + if (flags & DRAW_FLUSH_BACKEND) + vbuf_flush_vertices( vbuf ); +} + + +static void +vbuf_reset_stipple_counter( struct draw_stage *stage ) +{ + /* XXX: Need to do something here for hardware with linestipple. + */ + (void) stage; +} + + +static void vbuf_destroy( struct draw_stage *stage ) +{ + struct vbuf_stage *vbuf = vbuf_stage( stage ); + + if(vbuf->indices) + align_free( vbuf->indices ); + + if (vbuf->render) + vbuf->render->destroy( vbuf->render ); + + if (vbuf->cache) + translate_cache_destroy(vbuf->cache); + + FREE( stage ); +} + + +/** + * Create a new primitive vbuf/render stage. + */ +struct draw_stage *draw_vbuf_stage( struct draw_context *draw, + struct vbuf_render *render ) +{ + struct vbuf_stage *vbuf = CALLOC_STRUCT(vbuf_stage); + if (vbuf == NULL) + goto fail; + + vbuf->stage.draw = draw; + vbuf->stage.point = vbuf_first_point; + vbuf->stage.line = vbuf_first_line; + vbuf->stage.tri = vbuf_first_tri; + vbuf->stage.flush = vbuf_flush; + vbuf->stage.reset_stipple_counter = vbuf_reset_stipple_counter; + vbuf->stage.destroy = vbuf_destroy; + + vbuf->render = render; + vbuf->max_indices = MAX2(render->max_indices, UNDEFINED_VERTEX_ID-1); + + vbuf->indices = (ushort *) align_malloc( vbuf->max_indices * + sizeof(vbuf->indices[0]), + 16 ); + if (!vbuf->indices) + goto fail; + + vbuf->cache = translate_cache_create(); + if (!vbuf->cache) + goto fail; + + + vbuf->vertices = NULL; + vbuf->vertex_ptr = vbuf->vertices; + + return &vbuf->stage; + + fail: + if (vbuf) + vbuf_destroy(&vbuf->stage); + + return NULL; +} |